Speakers

Part Number	Description / PDF	Quantity
FRWS 5 R - 8 OHM VISATON	FRWS 5 R - 8 OHM	117
CMS-15113-078L100-67 CUI Devices	SPEAKER 15 X 11MM ENCLOSED	339
PLS-P830986 Vifa (Peerless by Tymphany)	SPEAKER 8OHM 25W TOP PORT 83.2DB	55
AS04008MR-21-R PUI Audio, Inc.	SPEAKER 1W 8 OHM 89 DB 630 HZ MY	89
W 130 S - 4 OHM VISATON	HIFI LOW-MIDRANGE DRIVER	23
W 300 - 8 OHM VISATON	HIFI WOOFER	8
SP-1511S-6 Soberton, Inc.	SPEAKER 8 OHM 82DB 0.5W/0.8W 750	396
CMS-15113-076SP-67 CUI Devices	SPEAKER 15 X 11MM ENCLOSED	192
CMS-151135-078SP-67 CUI Devices	SPEAKER 15 X 11 MM ENCLOSED	1446
AS01808MR-R PUI Audio, Inc.	SPEAKER 8OHM 1W TOP PORT 80DB	1169
BGC-D40-22-4-002 BDNC (Holding) Limited	SPEAKER CONE GLASS 40MM	344
AS015100MR-R PUI Audio, Inc.	SPEAKER .3 W 100 OHM 86 DB 850 H	30
SMS-1308MS-2-R PUI Audio, Inc.	SPEAKER 8OHM 700MW TOP PORT 88DB	9281
SDS-160F25PR01-08 Vifa (Peerless by Tymphany)	SPEAKER 8OHM 60W TOP PORT 87DB	275
RVA-90063-N16 Knowles	SPEAKER 96.3OHM 99.1DB	0
RVA-90080-N17 Knowles	SPEAKER 46OHM 104.7DB	0
SM151708-1 DB Unlimited	DYNAMIC MICRO SPEAKER	527
S300SA International Components Corp.	SQUARE SPEAKER, 8 OHM	300
GF0701 CUI Devices	SPEAKER 8OHM 500MW TOP PORT 91DB	966
GBS-85N25PR03-04 Vifa (Peerless by Tymphany)	SPEAKER 4OHM 15W TOP PORT 84.1DB	351

Speakers

1. Overview

Speakers are electroacoustic transducers that convert electrical audio signals into sound waves. As critical components in audio systems, they reproduce audible frequencies (typically 20Hz-20kHz) with controlled directivity and fidelity. Modern speaker technology integrates materials science, electromagnetism, and digital signal processing to deliver immersive audio experiences across consumer, professional, and industrial applications.

2. Main Types and Functional Classification

Type	Functional Characteristics	Application Examples
Dynamic Speakers	Electromagnetic driver with cone diaphragm, wide frequency response	Home theaters, PA systems
Electrostatic Speakers	Thin membrane with electrostatic field, excellent transient response	High-end audiophile systems
Planar Magnetic	Flat diaphragm with printed circuits, precise sound imaging	Studio monitoring, headphones
Coaxial Speakers	Multiple drivers on single axis, improved phase coherence	Car audio systems
Subwoofers	Specialized for low-frequency reproduction (20-200Hz)	Cinema sound systems

3. Structure and Components

Typical speaker systems consist of:

Transducer Elements: Voice coil, magnet assembly, diaphragm
Cabinet: Made from MDF, aluminum, or composite materials
Crossover Network: Passive/active filters directing frequencies to drivers
Connectors: Binding posts, TRS/XLR inputs, or wireless modules
Damping Materials: Acoustic foam for resonance control

4. Key Technical Specifications

Parameter	Description	Significance
Frequency Response	20Hz-20kHz 3dB	Defines audible range accuracy
Sensitivity	85-100 dB/W/m	Efficiency in sound production
Impedance	4 , 6 , 8 nominal	Matching with amplifiers
Power Handling	20-1000W RMS	Maximum safe operating level
THD	<0.5% at 1W	Audio signal purity

5. Application Areas

Consumer Electronics: Smart speakers (Amazon Echo), soundbars
Professional Audio: Studio monitors (Yamaha HS8), live sound systems
Automotive: Door speakers, active noise cancellation systems
Commercial: Distributed audio in retail spaces, emergency PA systems
Immersive Systems: Dolby Atmos home cinema setups

6. Leading Manufacturers and Products

Manufacturer	Representative Product	Key Innovation
Bose	901 Direct/Reflecting Series	Omni-directional sound field
KEF	LS50 Wireless	Uni-Q concentric driver
Bowers & Wilkins	800 Series Diamond	Matrix internal bracing
Yamaha	HS8 Studio Monitor	Neutral sound reproduction
Harman Kardon	Invoke	Cortana integration

7. Selection Recommendations

Key selection criteria:

Match impedance/power handling with amplifier specifications
Room size vs. speaker sensitivity (e.g., 88dB+ for large spaces)
Crossover frequency alignment in multi-way systems
Material durability for environmental conditions (humidity, temperature)
Budget allocation: 30-50% of total audio system cost recommended

8. Industry Trends Analysis

Emerging developments include:

Integration of AI-powered room calibration (Dirac Live, Audyssey)
Multi-directional transducers for 3D audio in VR/AR applications
Development of micro-speakers using graphene diaphragms
Adoption of wireless mesh networks (WiSA technology) for speaker arrays
Growth of automotive audio systems with headrest-integrated transducers